39. (A) It is possible to conduct tourism in a way that preserves natural areas and benefits local people.(B) In recent years, however, the trickle of tourists has turned into a flood. (C) Of 20 endemic species that are critically endangered, 16 live on the four inhabited islands that get the most visitors. (D) Penguins and flamingos live within a few miles of one another.(E) This growth is fueled in part by need